Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\timer.c Create Date:2022-07-28 10:39:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__collect_expired_timers

Proto:static int __collect_expired_timers(struct timer_base *base, struct hlist_head *heads)

Type:int

Parameter:

TypeParameterName
struct timer_base *base
struct hlist_head *heads
1460  clk = clk
1462  levels = 0
1465  When i < LVL_DEPTH cycle
1466  idx = (clk & LVL_MASK) + i * LVL_SIZE
1468  If __test_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This operation is non-atomic. If two instances of this operation race, one* can appear to succeed but actually fail. Then
1469  vec = vectors + idx
1470  Move a list from one list head to another. Fixup the pprev* reference of the first entry if it exists.
1471  levels++
1474  If clk & LVL_CLK_MASK Then Break
1477  clk >>= Clock divisor for the next level
1479  Return levels
Caller
NameDescribe
collect_expired_timers